BR112023003645A2 - Compensação de queda de tensão de modo comum de saída de amplificador de detecção devido a derivações de equalizador de feedback de decisão (dfe) - Google Patents

Compensação de queda de tensão de modo comum de saída de amplificador de detecção devido a derivações de equalizador de feedback de decisão (dfe)

Info

Publication number
BR112023003645A2
BR112023003645A2 BR112023003645A BR112023003645A BR112023003645A2 BR 112023003645 A2 BR112023003645 A2 BR 112023003645A2 BR 112023003645 A BR112023003645 A BR 112023003645A BR 112023003645 A BR112023003645 A BR 112023003645A BR 112023003645 A2 BR112023003645 A2 BR 112023003645A2
Authority
BR
Brazil
Prior art keywords
mode voltage
taps
dfe
differential
output
Prior art date
Application number
BR112023003645A
Other languages
English (en)
Portuguese (pt)
Inventor
Duan Ying
Wu Jing
Zhu Zhi
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112023003645A2 publication Critical patent/BR112023003645A2/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264Arrangements for coupling to transmission lines
    • H04L25/0292Arrangements specific to the receiver end
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45076Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45269Complementary non-cross coupled types
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45076Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45183Long tailed pairs
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45479Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45632Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/037Bistable circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264Arrangements for coupling to transmission lines
    • H04L25/0272Arrangements for coupling to multiple lines, e.g. for differential transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264Arrangements for coupling to transmission lines
    • H04L25/0272Arrangements for coupling to multiple lines, e.g. for differential transmission
    • H04L25/0276Arrangements for coupling common mode signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03057Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03114Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03878Line equalisers; line build-out devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03878Line equalisers; line build-out devices
    • H04L25/03885Line equalisers; line build-out devices adaptive
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K2005/00013Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
  • Manipulation Of Pulses (AREA)
BR112023003645A 2020-09-10 2021-08-23 Compensação de queda de tensão de modo comum de saída de amplificador de detecção devido a derivações de equalizador de feedback de decisão (dfe) BR112023003645A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17/017,239 US11349445B2 (en) 2020-09-10 2020-09-10 Compensation of common mode voltage drop of sensing amplifier output due to decision feedback equalizer (DFE) taps
PCT/US2021/047115 WO2022055697A2 (en) 2020-09-10 2021-08-23 Compensation of common mode voltage drop of sensing amplifier output due to decision feedback equalizer (dfe) taps

Publications (1)

Publication Number Publication Date
BR112023003645A2 true BR112023003645A2 (pt) 2023-03-28

Family

ID=77802245

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023003645A BR112023003645A2 (pt) 2020-09-10 2021-08-23 Compensação de queda de tensão de modo comum de saída de amplificador de detecção devido a derivações de equalizador de feedback de decisão (dfe)

Country Status (7)

Country Link
US (1) US11349445B2 (zh)
EP (1) EP4211874A2 (zh)
KR (1) KR102584020B1 (zh)
CN (1) CN116034567B (zh)
BR (1) BR112023003645A2 (zh)
TW (1) TW202218351A (zh)
WO (1) WO2022055697A2 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11456731B1 (en) * 2021-07-11 2022-09-27 Shenzhen GOODIX Technology Co., Ltd. Deglitch circuit
US11962440B2 (en) 2021-12-14 2024-04-16 Qualcomm Incorporated Decision feedback equalizer for low-voltage high-speed serial links
CN117316215A (zh) * 2022-06-23 2023-12-29 长鑫存储技术有限公司 数据接收电路、数据接收系统以及存储装置
US12021669B2 (en) * 2022-11-11 2024-06-25 Qualcomm Incorporated Clocked comparator with series decision feedback equalization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7961817B2 (en) * 2006-09-08 2011-06-14 Lsi Corporation AC coupling circuit integrated with receiver with hybrid stable common-mode voltage generation and baseline wander compensation
US8391350B2 (en) * 2010-09-03 2013-03-05 Altera Corporation Adaptation circuitry and methods for decision feedback equalizers
US8633764B2 (en) * 2011-06-10 2014-01-21 International Business Machines Corporation Restoring output common-mode of amplifier via capacitive coupling
US8831084B1 (en) 2012-09-10 2014-09-09 Altera Corporation Apparatus and method for common mode tracking in DFE adaptation
US9564863B1 (en) 2014-11-07 2017-02-07 Altera Corporation Circuits and methods for variable gain amplifiers
US9240912B1 (en) 2014-11-26 2016-01-19 Altera Corporation Transceiver circuitry with summation node common mode droop reduction
US9496879B1 (en) * 2015-09-01 2016-11-15 Qualcomm Incorporated Multiphase clock data recovery for a 3-phase interface
US10672438B2 (en) * 2018-09-29 2020-06-02 Intel Corporation Dynamic reconfigurable dual power I/O receiver
US11233482B2 (en) * 2019-07-31 2022-01-25 Skyworks Solutions, Inc. Receiver front end for digital isolators

Also Published As

Publication number Publication date
CN116034567A (zh) 2023-04-28
CN116034567B (zh) 2024-04-19
KR20230037693A (ko) 2023-03-16
WO2022055697A2 (en) 2022-03-17
EP4211874A2 (en) 2023-07-19
US20220077830A1 (en) 2022-03-10
KR102584020B1 (ko) 2023-09-27
TW202218351A (zh) 2022-05-01
US11349445B2 (en) 2022-05-31
WO2022055697A3 (en) 2022-04-14

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